Clarified license text.

git-svn-id: http://svn.igniterealtime.org/svn/repos/messenger/trunk@1614 b35dd754-fafc-0310-a699-88a17e54d16e

documentation/docs/plugin-dev-guide.html

@@ -301,9 +301,10 @@ so it also deletes the directory.</p>
 
 <b>What license agreement are plugins subject to?</b>
 <p>Because Jive Messenger is released under the Open Source GPL license, any plugins developed
-must also be released under the GPL or a compatible Open Source license (such as Apache). It is a
-violation of the license agreement to create plugins that are not Open Source. Please see the Jive
-Messenger website if you need different licensing terms for Jive Messenger.
+must also be released under the GPL or a compatible Open Source license. It is a
+violation of the license agreement to create plugins that are not Open Source. Please visit 
+<a href="http://www.jivesoftware.com/products/messenger/">Jive Software</a> if you need different 
+licensing terms for Jive Messenger, including the right to create commercial plugins.</p>
 
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